CVE-2026-22081
This vulnerability exists in Tenda wireless routers (300Mbps Wireless Router F3 and N300 Easy Setup Router) due to the missing HTTPOnly flag for session cookies associated with the web-based administrative interface. A remote at-tacker could exploit this vulnerability by capturing session cookies transmitted over an insecure HTTP connection.
Successful exploitation of this vulnerability could allow the attacker to obtain sensitive information and gain unau-thorized access to the targeted device.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.38%
- Percentil entre todas las CVEs puntuadas: 29
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1190Exploit Public-Facing Applicationinitial access85 % - Impacto principal
T1552.007Container APIcredential access80 % - Impacto secundario
T1078.001Default Accountsstealth · persistence · privilege escalation · initial access75 %
Vector AV:N/PR:N/UI:N indica explotación remota sin privilegios (T1190). Captura de cookies de sesión sin HTTPOnly en HTTP proporciona credenciales de acceso administrativo no autorizado.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (2)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-1004
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-22081",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-22081",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-01-09T16:44:27.653040Z"
}
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "vdisclose@cert-in.org.in",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 8.8,
"Automatable": "NOT_DEFINED",
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"exploitMaturity": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "LOW",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "LOW",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"confidentialityRequirement": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
}
}
]
},
"affected": [
{
"source": "vdisclose@cert-in.org.in",
"affectedData": [
{
"vendor": "Tenda",
"product": "300Mbps Wireless Router F3 and N300 Easy Setup Router",
"versions": [
{
"status": "affected",
"version": "F3 v3.0 Firmware V12.01.01.41"
},
{
"status": "affected",
"version": "F3 v3.0 Firmware V12.01.01.42"
},
{
"status": "affected",
"version": "F3 v3.0 Firmware V12.01.01.48"
},
{
"status": "affected",
"version": "F3 v3.0 Firmware V12.01.01.52"
},
{
"status": "affected",
"version": "F3 v3.0 Firmware V12.01.01.55"
},
{
"status": "affected",
"version": "F3 v4.0 Firmware V03.03.01.40"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-01-09T12:15:54.260",
"references": [
{
"url": "https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2026-0004",
"source": "vdisclose@cert-in.org.in"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "vdisclose@cert-in.org.in",
"description": [
{
"lang": "en",
"value": "CWE-1004"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "This vulnerability exists in Tenda wireless routers (300Mbps Wireless Router F3 and N300 Easy Setup Router) due to the missing HTTPOnly flag for session cookies associated with the web-based administrative interface. A remote at-tacker could exploit this vulnerability by capturing session cookies transmitted over an insecure HTTP connection.\n\nSuccessful exploitation of this vulnerability could allow the attacker to obtain sensitive information and gain unau-thorized access to the targeted device."
},
{
"lang": "es",
"value": "Esta vulnerabilidad existe en routers inalámbricos Tenda (Router Inalámbrico de 300Mbps F3 y Router de Fácil Configuración N300) debido a la ausencia de la bandera HTTPOnly para las cookies de sesión asociadas con la interfaz administrativa basada en web. Un atacante remoto podría explotar esta vulnerabilidad al capturar cookies de sesión transmitidas a través de una conexión HTTP insegura.\n\nLa explotación exitosa de esta vulnerabilidad podría permitir al atacante obtener información sensible y obtener acceso no autorizado al dispositivo objetivo."
}
],
"lastModified": "2026-06-17T10:19:26.790",
"sourceIdentifier": "vdisclose@cert-in.org.in"
}